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Validating DataAssist Insert Form

Thread began 11/02/2009 11:50 am by bill173836 | Last modified 11/03/2009 12:25 pm by Jason Byrnes | 3330 views | 9 replies |

bill173836

Validating DataAssist Insert Form

I'm trying to validate several items in my insert data form. But when the validation error window pops up and I click okay the form submits. Obviously I don't want it to do that until all items are validated. Here is the javascript I'm using:

<script LANGUAGE="JavaScript">
<!--
function ValidateForm(form){
ErrorText= "";
if ( form.merchant.value == "") { alert ( "Merchant Name is a required field" ); return false; }
if ( form.contact.value == "") { alert ( "Contact Name is a required field" ); return false; }
if ( form.metro.selectedIndex == 0 ) { alert ( "You must choose a Metropolitan Area." ); return false; }
if ( form.terms.checked == false ) { alert ( "Please check the Terms & Conditions box." ); return false; }

if (ErrorText= "") { form.submit() }
}
-->
</script>

On the form submit button I have:
<input type="image" name="Insert" id="Insert" value="Insert" alt="Insert" src="images/SubmitButton.jpg" onClick="ValidateForm(this.form);" />

I'm also trying to check to see if there is a duplicate entry in the email field of my form and confirm the password. Any suggestions?
Thank You.

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Jason ByrnesWebAssist

your javascriipt code does no do anything with the ErrorText variable.

you initially set it to:
ErrorText= "";

but do not change it when a validation fails.


By the time it gets down to the if statement to submit the form:
if (ErrorText= "") { form.submit() }
}

ErrorText will always equal "".


try changing your validation if statements to change the ErrorText variable:
if ( form.merchant.value == "") { ErrorText= "1";alert ( "Merchant Name is a required field" ); return false; }




Our CSS Form builder tool includes Client Side and Server Side validation behaviors. you may want to try using those.

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bill173836

I tried what you suggested and the form still submits to the next page.

<script LANGUAGE="JavaScript">
<!--
function ValidateForm(form){

if ( form.merchant.value == "") { ErrorText= "1";alert ( "Merchant Name is a required field" ); return false; }
if ( form.contact.value == "") { ErrorText= "2";alert ( "Contact Name is a required field" ); return false; }
if ( form.metro.selectedIndex == 0 ) { ErrorText= "3";alert ( "You must choose a Metropolitan Area." ); return false; }
if ( form.terms.checked == false ) { ErrorText= "4";alert ( "Please check the Terms & Conditions box." ); return false; }

if (ErrorText= "") { form.submit() }
}
-->
</script>

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Jason ByrnesWebAssist

this is because you are performing the validation on the onClick event of the submit button.

See the following for a tutorial on creating javascript validation:
form-validation-with-javascript/

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bill173836

What other event would I do it on? I've tried focus and it doesn't work. Here is my code again what is wrong and what should it be? Thank you for the help. I'm under the gun to get this out today.

<script LANGUAGE="JavaScript">
<!--
function ValidateForm(form){

if ( form.merchant.value == "") { ErrorText= "1";alert ( "Merchant Name is a required field" ); return false; }
if ( form.contact.value == "") { ErrorText= "2";alert ( "Contact Name is a required field" ); return false; }
if ( form.metro.selectedIndex == 0 ) { ErrorText= "3";alert ( "You must choose a Metropolitan Area." ); return false; }
if ( form.terms.checked == false ) { ErrorText= "4";alert ( "Please check the Terms & Conditions box." ); return false; }
}
-->
</script>

<input name="Insert" type="image" id="Insert" onClick="ValidateForm(this.form)" value="Insert" src="images/SubmitButton.jpg" alt="Insert" />

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Jason ByrnesWebAssist

validation should occur on the submit event of the form.


you script will not work though, even on the submit event, that is why I pointed you tword the tutorial.

We do not offer support javascript that you hand code, our CSS Form Builder tool has Client side (Javascript) Validation built into it. If you are trouble creating your own validation script, you should consider using the Client validation in CSS form Builder.

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bill173836

I've tried using both Validation Toolkit and CSS Form Builder and get a javascript error every time. I posted in the Validation Toolkit forum with the error and really haven't gotten a solution to my problem yet. That is why I tried to do it without either extension.

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Jason ByrnesWebAssist

from what I can see in the other thread, you have both Validation Toolkit and CSS Form builder installed at the same time.


maybe try step 2 on the following link:
146/


then install form builder, after installing form builder, see the Known Issues section on the form builder download page before starting Dreamweaver.

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bill173836

I've gone back to trying to use the CSS Form Builder and it appears that the issue is with the required field. Most of the validation elements seem to work okay.

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Jason ByrnesWebAssist

Did you install the updated files in the known issue section of the CSS From Builder download page?

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